Home / 165,509.13-228,407.04-93,899.91

Finding the Fourth Proportional to 165,509.13, 228,407.04 and 93,899.91

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Solution

The fourth proportional to 165,509.13, 228,407.04 and 93,899.91 is: 129,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,509.13 : 228,407.04 = 93,899.91 : x
  2. Step 2: Convert to fraction form
    165,509.13/228,407.04 = 93,899.91/x
  3. Step 3: Cross multiply
    165,509.13x = 228,407.04 × 93,899.91
  4. Step 4: Simplify right side
    165,509.13x = 21,447,400,499.37
  5. Step 5: Solve for x
    x = 21,447,400,499.37/165,509.13
  6. Step 6: Final answer
    x = 129,584.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.